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2674A827 GT2556S Turbocharger Replacement for Perkins 4 4L
Aftermarket GT2556S turbocharger, part number 2674A827, for Perkins 4 4L engines in agricultural tractors. Verify OEM reference numbers and engine application before ordering.
Show more cross references
3159721 315-9721 768524-0025 768524-25 768524-5025 785827-0025 785827-25Subtotal: US$ 140.00
Send an InquiryThis aftermarket GT2556S turbocharger, part number 2674A827, is a replacement unit for Perkins 4 4L engines in agricultural tractors. It serves as an aftermarket replacement application for units associated with OEM reference numbers such as 3159721 and 768524-0025, supporting repair shops and fleet buyers who require verified fitment for Massey Ferguson 5455 and similar applications.
Key Specifications
- Part Number: 2674A827
- Turbo Model: GT2556S
- Product Type: Turbocharger
- OEM Reference Numbers: 3159721, 768524-0025, 785827-0025
- Packing Dimensions: 21 x 23 x 26 cm
- Gross Weight: 8 kg
- Application Clues: Perkins 4 4L engine, Massey Ferguson 5455
- Image Availability: High-resolution studio photography available
Verify these specifications against your existing unit and engine code before ordering.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- PERKINS > PERKINS AGRICULTURAL TRACTOR > PERKINS 4 4L
- Massey Ferguson > Massey Ferguson 5400 Series > Massey Ferguson 5455 Tractor > Perkins 4 4L
This GT2556S turbocharger is listed for Perkins 4 4L engines in agricultural tractors, including Massey Ferguson 5455 applications. It is associated with OEM reference numbers such as 3159721, 768524-0025, and 785827-0025. Use these references to verify fitment against your existing unit. Confirm the engine code, vehicle application, and turbo configuration before ordering. Technical fitment support is available to help confirm part selection for fleet or bulk orders.
Technical Notes
The GT2556S turbocharger features a visible variable geometry turbine (VGT) actuator assembly mounted on top, connected via a flexible hose to the vane control mechanism. The turbine housing includes a square exhaust flange with four bolt holes, while the compressor housing has a round inlet. Radial vane structures are visible in the turbine section. Verify the actuator type, vane configuration, and housing dimensions against your existing unit. Confirm the turbo model and OEM reference numbers such as 3159721 or 768524-0025 to ensure the replacement unit matches your specific Perkins 4 4L engine application.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 2674A827 GT2556S turbocharger. Technical fitment support is available to verify part number, engine code, and OEM reference numbers such as 3159721 or 768524-0025 before placing bulk orders. Confirm packing dimensions of 21 x 23 x 26 cm and gross weight of 8 kg for logistics planning. Contact our team for wholesale inquiries and application-specific guidance.
Product FAQ
PERKINS and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by PERKINS.
Compatibility Verify part number 2674A827, engine code Perkins 4 4L, vehicle application (e.g., Massey Ferguson 5455), and OEM reference numbers such as 3159721 or 768524-0025 before ordering. Confirm turbo configuration and production year for fitment accuracy.
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Frequently Asked Questions
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
